mirror of https://github.com/webpack/webpack.git
1682 lines
48 KiB
JavaScript
1682 lines
48 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const eslintScope = require("eslint-scope");
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const {
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CachedSource,
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ConcatSource,
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ReplaceSource
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} = require("webpack-sources");
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const DependencyTemplate = require("../DependencyTemplate");
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const Module = require("../Module");
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const { UsageState } = require("../ModuleGraph");
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const RuntimeGlobals = require("../RuntimeGlobals");
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const Template = require("../Template");
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const HarmonyCompatibilityDependency = require("../dependencies/HarmonyCompatibilityDependency");
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const HarmonyExportExpressionDependency = require("../dependencies/HarmonyExportExpressionDependency");
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const HarmonyExportImportedSpecifierDependency = require("../dependencies/HarmonyExportImportedSpecifierDependency");
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const HarmonyExportInitFragment = require("../dependencies/HarmonyExportInitFragment");
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const HarmonyExportSpecifierDependency = require("../dependencies/HarmonyExportSpecifierDependency");
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const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
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const HarmonyImportSideEffectDependency = require("../dependencies/HarmonyImportSideEffectDependency");
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const HarmonyImportSpecifierDependency = require("../dependencies/HarmonyImportSpecifierDependency");
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const JavascriptParser = require("../javascript/JavascriptParser");
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const LazySet = require("../util/LazySet");
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const { concatComparators, keepOriginalOrder } = require("../util/comparators");
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const createHash = require("../util/createHash");
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const contextify = require("../util/identifier").contextify;
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const propertyAccess = require("../util/propertyAccess");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../../declarations/WebpackOptions").WebpackOptions} WebpackOptions */
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/** @typedef {import("../ChunkGraph")} ChunkGraph */
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/** @typedef {import("../Compilation")} Compilation */
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/** @typedef {import("../Dependency")} Dependency */
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/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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/** @typedef {import("../DependencyTemplates")} DependencyTemplates */
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/** @typedef {import("../Module").CodeGenerationContext} CodeGenerationContext */
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/** @typedef {import("../Module").CodeGenerationResult} CodeGenerationResult */
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/** @typedef {import("../Module").LibIdentOptions} LibIdentOptions */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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/** @typedef {import("../RequestShortener")} RequestShortener */
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/** @typedef {import("../ResolverFactory").ResolverWithOptions} ResolverWithOptions */
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/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
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/** @typedef {import("../WebpackError")} WebpackError */
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/** @typedef {import("../util/Hash")} Hash */
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/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
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/**
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* @typedef {Object} ReexportInfo
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* @property {Module} module
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* @property {string[]} exportName
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* @property {Dependency} dependency
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*/
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/** @typedef {ConcatenatedModuleInfo | ExternalModuleInfo } ModuleInfo */
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/**
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* @typedef {Object} ConcatenatedModuleInfo
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* @property {"concatenated"} type
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* @property {Module} module
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* @property {number} index
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* @property {Object} ast
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* @property {Source} internalSource
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* @property {ReplaceSource} source
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* @property {Iterable<string>} runtimeRequirements
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* @property {TODO} globalScope
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* @property {TODO} moduleScope
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* @property {TODO} internalNames
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* @property {Map<string | true, string>} exportMap
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* @property {Map<string, ReexportInfo>} reexportMap
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* @property {boolean} hasNamespaceObject
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* @property {TODO} namespaceObjectSource
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*/
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/**
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* @typedef {Object} ExternalModuleInfo
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* @property {"external"} type
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* @property {Module} module
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* @property {number} index
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* @property {string} name
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* @property {boolean} interopNamespaceObjectUsed
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* @property {string} interopNamespaceObjectName
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* @property {boolean} interopDefaultAccessUsed
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* @property {string} interopDefaultAccessName
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*/
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const RESERVED_NAMES = [
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// internal name
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"__WEBPACK_MODULE_DEFAULT_EXPORT__",
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// keywords
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"abstract,arguments,async,await,boolean,break,byte,case,catch,char,class,const,continue",
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"debugger,default,delete,do,double,else,enum,eval,export,extends,false,final,finally,float",
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"for,function,goto,if,implements,import,in,instanceof,int,interface,let,long,native,new,null",
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"package,private,protected,public,return,short,static,super,switch,synchronized,this,throw",
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"throws,transient,true,try,typeof,var,void,volatile,while,with,yield",
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// commonjs
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"module,__dirname,__filename,exports",
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// js globals
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"Array,Date,eval,function,hasOwnProperty,Infinity,isFinite,isNaN,isPrototypeOf,length,Math",
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"NaN,name,Number,Object,prototype,String,toString,undefined,valueOf",
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// browser globals
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"alert,all,anchor,anchors,area,assign,blur,button,checkbox,clearInterval,clearTimeout",
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"clientInformation,close,closed,confirm,constructor,crypto,decodeURI,decodeURIComponent",
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"defaultStatus,document,element,elements,embed,embeds,encodeURI,encodeURIComponent,escape",
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"event,fileUpload,focus,form,forms,frame,innerHeight,innerWidth,layer,layers,link,location",
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"mimeTypes,navigate,navigator,frames,frameRate,hidden,history,image,images,offscreenBuffering",
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"open,opener,option,outerHeight,outerWidth,packages,pageXOffset,pageYOffset,parent,parseFloat",
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"parseInt,password,pkcs11,plugin,prompt,propertyIsEnum,radio,reset,screenX,screenY,scroll",
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"secure,select,self,setInterval,setTimeout,status,submit,taint,text,textarea,top,unescape",
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"untaint,window",
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// window events
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"onblur,onclick,onerror,onfocus,onkeydown,onkeypress,onkeyup,onmouseover,onload,onmouseup,onmousedown,onsubmit"
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]
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.join(",")
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.split(",");
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const bySourceOrder = (a, b) => {
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const aOrder = a.sourceOrder;
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const bOrder = b.sourceOrder;
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if (isNaN(aOrder)) {
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if (!isNaN(bOrder)) {
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return 1;
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}
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} else {
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if (isNaN(bOrder)) {
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return -1;
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}
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if (aOrder !== bOrder) {
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return aOrder < bOrder ? -1 : 1;
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}
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}
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return 0;
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};
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const arrayEquals = (a, b) => {
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if (a.length !== b.length) return false;
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for (let i = 0; i < a.length; i++) {
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if (a[i] !== b[i]) return false;
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}
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return true;
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};
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/**
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* @typedef {Object} ConcatenationEntry
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* @property {"concatenated" | "external"} type
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* @property {Module} module
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*/
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {ConcatenatedModuleInfo} info module info
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* @param {Map<Module, ModuleInfo>} moduleToInfoMap moduleToInfoMap
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* @param {RequestShortener} requestShortener requestShortener
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* @param {RuntimeTemplate} runtimeTemplate runtimeTemplate
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* @param {boolean} strictHarmonyModule strictHarmonyModule
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* @returns {void}
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*/
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const ensureNsObjSource = (
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moduleGraph,
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info,
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moduleToInfoMap,
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requestShortener,
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runtimeTemplate,
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strictHarmonyModule
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) => {
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if (!info.hasNamespaceObject) {
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info.hasNamespaceObject = true;
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const name = info.exportMap.get(true);
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const nsObj = [];
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const exportsInfo = moduleGraph.getExportsInfo(info.module);
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for (const exportInfo of exportsInfo.orderedExports) {
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const finalName = getFinalName(
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moduleGraph,
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info,
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[exportInfo.name],
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moduleToInfoMap,
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requestShortener,
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runtimeTemplate,
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false,
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undefined,
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strictHarmonyModule,
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true
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);
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nsObj.push(
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`\n ${JSON.stringify(
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exportInfo.getUsedName()
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)}: ${runtimeTemplate.returningFunction(finalName)}`
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);
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}
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info.namespaceObjectSource = `var ${name} = {};\n${
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RuntimeGlobals.makeNamespaceObject
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}(${name});\n${RuntimeGlobals.definePropertyGetters}(${name}, {${nsObj.join(
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","
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)}\n});\n`;
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}
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};
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {Module} importedModule module
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* @param {ExternalModuleInfo} info module info
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* @param {string[]} exportName exportName
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* @param {boolean} asCall asCall
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* @param {boolean} callContext callContext
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* @param {boolean} strictHarmonyModule strictHarmonyModule
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* @param {boolean} asiSafe asiSafe
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* @returns {string} expression to get value of external module
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*/
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const getExternalImport = (
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moduleGraph,
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importedModule,
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info,
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exportName,
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asCall,
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callContext,
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strictHarmonyModule,
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asiSafe
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) => {
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const used =
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exportName.length === 0 ||
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importedModule.getUsedName(moduleGraph, exportName);
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if (!used) return "/* unused export */undefined";
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const comment = arrayEquals(used, exportName)
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? ""
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: Template.toNormalComment(`${exportName.join(".")}`);
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let exprStart;
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if (exportName.length === 0) {
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switch (importedModule.buildMeta.exportsType) {
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case "named":
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info.interopNamespaceObjectUsed = true;
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exprStart = info.interopNamespaceObjectName;
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break;
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case "namespace":
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exprStart = info.name;
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break;
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default:
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if (strictHarmonyModule) {
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info.interopNamespaceObjectUsed = true;
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exprStart = info.interopNamespaceObjectName;
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break;
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} else {
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exprStart = info.name;
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break;
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}
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}
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} else {
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switch (importedModule.buildMeta.exportsType) {
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case "named":
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case "namespace":
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break;
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default:
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if (strictHarmonyModule) {
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if (exportName[0] === "default") {
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exprStart = info.name;
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} else {
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exprStart = "/* non-default import from non-esm module */undefined";
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}
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} else {
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if (exportName[0] === "default") {
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info.interopDefaultAccessUsed = true;
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exprStart = asCall
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? `${info.interopDefaultAccessName}()`
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: asiSafe
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? `(${info.interopDefaultAccessName}())`
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: `${info.interopDefaultAccessName}.a`;
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}
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}
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break;
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}
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}
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if (exprStart) {
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return `${exprStart}${propertyAccess(used, 1)}`;
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}
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const reference = `${info.name}${comment}${propertyAccess(used)}`;
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if (asCall && callContext === false) {
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return asiSafe ? `(0,${reference})` : `Object(${reference})`;
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}
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return reference;
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};
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {ModuleInfo} info module info
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* @param {string[]} exportName exportName
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* @param {Map<Module, ModuleInfo>} moduleToInfoMap moduleToInfoMap
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* @param {RequestShortener} requestShortener the request shortener
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* @param {RuntimeTemplate} runtimeTemplate the runtime template
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* @param {boolean} asCall asCall
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* @param {boolean} callContext callContext
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* @param {boolean} strictHarmonyModule strictHarmonyModule
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* @param {boolean} asiSafe asiSafe
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* @param {Set<ReexportInfo>} alreadyVisited alreadyVisited
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* @returns {string} the final name
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*/
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const getFinalName = (
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moduleGraph,
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info,
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exportName,
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moduleToInfoMap,
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requestShortener,
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runtimeTemplate,
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asCall,
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callContext,
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strictHarmonyModule,
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asiSafe,
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alreadyVisited = new Set()
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) => {
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switch (info.type) {
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case "concatenated": {
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if (exportName.length === 0) {
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ensureNsObjSource(
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moduleGraph,
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info,
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moduleToInfoMap,
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requestShortener,
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runtimeTemplate,
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strictHarmonyModule
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);
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return info.internalNames.get(info.exportMap.get(true));
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}
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const exportId = exportName[0];
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const directExport = info.exportMap.get(exportId);
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const exportsInfo = moduleGraph.getExportsInfo(info.module);
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if (directExport) {
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if (exportsInfo.isExportUsed(exportName) === UsageState.Unused) {
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return `/* unused export */ undefined${propertyAccess(
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exportName,
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1
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)}`;
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}
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const name = info.internalNames.get(directExport);
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if (!name) {
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throw new Error(
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`The export "${directExport}" in "${info.module.readableIdentifier(
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requestShortener
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)}" has no internal name`
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);
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}
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return `${name}${propertyAccess(exportName, 1)}`;
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}
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const reexport = info.reexportMap.get(exportId);
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if (reexport) {
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if (alreadyVisited.has(reexport)) {
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throw new Error(
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`Circular reexports ${Array.from(
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alreadyVisited,
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e =>
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`"${e.module.readableIdentifier(
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requestShortener
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)}".${e.exportName.join(".")}`
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).join(
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" --> "
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)} -(circular)-> "${reexport.module.readableIdentifier(
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requestShortener
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)}".${reexport.exportName.join(".")}`
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);
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}
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alreadyVisited.add(reexport);
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const refInfo = moduleToInfoMap.get(reexport.module);
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if (refInfo) {
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// module is in the concatenation
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return getFinalName(
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moduleGraph,
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refInfo,
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[...reexport.exportName, ...exportName.slice(1)],
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moduleToInfoMap,
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requestShortener,
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runtimeTemplate,
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asCall,
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callContext,
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strictHarmonyModule,
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asiSafe,
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alreadyVisited
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);
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}
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}
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const problem =
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`Cannot get final name for export "${exportName}" in "${info.module.readableIdentifier(
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requestShortener
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)}"` +
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` (known exports: ${Array.from(info.exportMap.keys())
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.filter(name => name !== true)
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.join(" ")}, ` +
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`known reexports: ${Array.from(info.reexportMap.keys()).join(" ")})`;
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return `${Template.toNormalComment(problem)} undefined${propertyAccess(
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exportName,
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1
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)}`;
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}
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case "external": {
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const importedModule = info.module;
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return getExternalImport(
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moduleGraph,
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importedModule,
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info,
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exportName,
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asCall,
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callContext,
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strictHarmonyModule,
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asiSafe
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);
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}
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}
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};
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const addScopeSymbols1 = (s, nameSet, scopeSet) => {
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let scope = s;
|
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while (scope) {
|
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if (scopeSet.has(scope)) break;
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scopeSet.add(scope);
|
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for (const variable of scope.variables) {
|
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nameSet.add(variable.name);
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}
|
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scope = scope.upper;
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}
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};
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|
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const addScopeSymbols2 = (s, nameSet, scopeSet1, scopeSet2) => {
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let scope = s;
|
|
while (scope) {
|
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if (scopeSet1.has(scope)) break;
|
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if (scopeSet2.has(scope)) break;
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scopeSet1.add(scope);
|
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for (const variable of scope.variables) {
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nameSet.add(variable.name);
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}
|
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scope = scope.upper;
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}
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};
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|
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const getAllReferences = variable => {
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|
let set = variable.references;
|
|
// Look for inner scope variables too (like in class Foo { t() { Foo } })
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|
const identifiers = new Set(variable.identifiers);
|
|
for (const scope of variable.scope.childScopes) {
|
|
for (const innerVar of scope.variables) {
|
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if (innerVar.identifiers.some(id => identifiers.has(id))) {
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set = set.concat(innerVar.references);
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break;
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}
|
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}
|
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}
|
|
return set;
|
|
};
|
|
|
|
const getPathInAst = (ast, node) => {
|
|
if (ast === node) {
|
|
return [];
|
|
}
|
|
|
|
const nr = node.range;
|
|
|
|
const enterNode = n => {
|
|
if (!n) return undefined;
|
|
const r = n.range;
|
|
if (r) {
|
|
if (r[0] <= nr[0] && r[1] >= nr[1]) {
|
|
const path = getPathInAst(n, node);
|
|
if (path) {
|
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path.push(n);
|
|
return path;
|
|
}
|
|
}
|
|
}
|
|
return undefined;
|
|
};
|
|
|
|
if (Array.isArray(ast)) {
|
|
for (let i = 0; i < ast.length; i++) {
|
|
const enterResult = enterNode(ast[i]);
|
|
if (enterResult !== undefined) return enterResult;
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}
|
|
} else if (ast && typeof ast === "object") {
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const keys = Object.keys(ast);
|
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for (let i = 0; i < keys.length; i++) {
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const value = ast[keys[i]];
|
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if (Array.isArray(value)) {
|
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const pathResult = getPathInAst(value, node);
|
|
if (pathResult !== undefined) return pathResult;
|
|
} else if (value && typeof value === "object") {
|
|
const enterResult = enterNode(value);
|
|
if (enterResult !== undefined) return enterResult;
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}
|
|
}
|
|
}
|
|
};
|
|
|
|
const modulesWithInfoToMap = modulesWithInfo => {
|
|
const moduleToInfoMap = new Map();
|
|
for (const m of modulesWithInfo) {
|
|
moduleToInfoMap.set(m.module, m);
|
|
}
|
|
return moduleToInfoMap;
|
|
};
|
|
|
|
const createModuleReference = ({
|
|
info,
|
|
ids = undefined,
|
|
call = false,
|
|
directImport = false,
|
|
strict = false,
|
|
asiSafe = false
|
|
}) => {
|
|
const callFlag = call ? "_call" : "";
|
|
const directImportFlag = directImport ? "_directImport" : "";
|
|
const strictFlag = strict ? "_strict" : "";
|
|
const asiSafeFlag = asiSafe ? "_asiSafe" : "";
|
|
const exportData = ids
|
|
? Buffer.from(JSON.stringify(ids), "utf-8").toString("hex")
|
|
: "ns";
|
|
return `__WEBPACK_MODULE_REFERENCE__${info.index}_${exportData}${callFlag}${directImportFlag}${strictFlag}${asiSafeFlag}__`;
|
|
};
|
|
|
|
const MODULE_REFERENCE_REGEXP = /^__WEBPACK_MODULE_REFERENCE__(\d+)_([\da-f]+|ns)(_call)?(_directImport)?(_strict)?(_asiSafe)?__$/;
|
|
|
|
const isModuleReference = name => {
|
|
return MODULE_REFERENCE_REGEXP.test(name);
|
|
};
|
|
|
|
const matchModuleReference = (name, modulesWithInfo) => {
|
|
const match = MODULE_REFERENCE_REGEXP.exec(name);
|
|
if (!match) return null;
|
|
return {
|
|
info: modulesWithInfo[+match[1]],
|
|
ids:
|
|
match[2] === "ns"
|
|
? []
|
|
: JSON.parse(Buffer.from(match[2], "hex").toString("utf-8")),
|
|
call: !!match[3],
|
|
directImport: !!match[4],
|
|
strict: !!match[5],
|
|
asiSafe: !!match[6]
|
|
};
|
|
};
|
|
|
|
const TYPES = new Set(["javascript"]);
|
|
|
|
class ConcatenatedModule extends Module {
|
|
/**
|
|
* @param {Module} rootModule the root module of the concatenation
|
|
* @param {Set<Module>} modules all modules in the concantenation (including the root module)
|
|
* @param {Compilation} compilation the compilation
|
|
*/
|
|
constructor(rootModule, modules, compilation) {
|
|
super("javascript/esm", null);
|
|
|
|
// Info from Factory
|
|
this.rootModule = rootModule;
|
|
this.factoryMeta = rootModule.factoryMeta;
|
|
|
|
const modulesArray = Array.from(modules);
|
|
|
|
// Info from Build
|
|
this.buildInfo = {
|
|
strict: true,
|
|
cacheable: modulesArray.every(m => m.buildInfo.cacheable),
|
|
moduleArgument: rootModule.buildInfo.moduleArgument,
|
|
exportsArgument: rootModule.buildInfo.exportsArgument,
|
|
fileDependencies: new LazySet(),
|
|
contextDependencies: new LazySet(),
|
|
missingDependencies: new LazySet(),
|
|
assets: undefined
|
|
};
|
|
this.buildMeta = rootModule.buildMeta;
|
|
|
|
// Caching
|
|
this._numberOfConcatenatedModules = modules.size;
|
|
|
|
// Graph
|
|
this.dependencies = [];
|
|
|
|
this._orderedConcatenationList = ConcatenatedModule._createConcatenationList(
|
|
rootModule,
|
|
modules,
|
|
compilation
|
|
);
|
|
for (const info of this._orderedConcatenationList) {
|
|
if (info.type === "concatenated") {
|
|
const m = info.module;
|
|
|
|
// populate dependencies
|
|
for (const d of m.dependencies.filter(
|
|
dep =>
|
|
!(dep instanceof HarmonyImportDependency) ||
|
|
!modules.has(compilation.moduleGraph.getModule(dep))
|
|
)) {
|
|
this.dependencies.push(d);
|
|
}
|
|
if (m.presentationalDependencies !== undefined) {
|
|
for (const d of m.presentationalDependencies.filter(
|
|
dep =>
|
|
!(dep instanceof HarmonyImportDependency) ||
|
|
!modules.has(compilation.moduleGraph.getModule(dep))
|
|
)) {
|
|
this.addPresentationalDependency(d);
|
|
}
|
|
}
|
|
// populate file dependencies
|
|
if (m.buildInfo.fileDependencies) {
|
|
this.buildInfo.fileDependencies.addAll(m.buildInfo.fileDependencies);
|
|
}
|
|
// populate context dependencies
|
|
if (m.buildInfo.contextDependencies) {
|
|
this.buildInfo.contextDependencies.addAll(
|
|
m.buildInfo.contextDependencies
|
|
);
|
|
}
|
|
// populate missing dependencies
|
|
if (m.buildInfo.missingDependencies) {
|
|
this.buildInfo.missingDependencies.addAll(
|
|
m.buildInfo.missingDependencies
|
|
);
|
|
}
|
|
// populate warnings
|
|
const warnings = m.getWarnings();
|
|
if (warnings !== undefined) {
|
|
for (const warning of warnings) {
|
|
this.addWarning(warning);
|
|
}
|
|
}
|
|
// populate errors
|
|
const errors = m.getErrors();
|
|
if (errors !== undefined) {
|
|
for (const error of errors) {
|
|
this.addError(error);
|
|
}
|
|
}
|
|
|
|
if (m.buildInfo.assets) {
|
|
if (this.buildInfo.assets === undefined) {
|
|
this.buildInfo.assets = Object.create(null);
|
|
}
|
|
Object.assign(this.buildInfo.assets, m.buildInfo.assets);
|
|
}
|
|
if (m.buildInfo.assetsInfo) {
|
|
if (this.buildInfo.assetsInfo === undefined) {
|
|
this.buildInfo.assetsInfo = new Map();
|
|
}
|
|
for (const [key, value] of m.buildInfo.assetsInfo) {
|
|
this.buildInfo.assetsInfo.set(key, value);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
this._identifier = this._createIdentifier(compilation.compiler.root);
|
|
}
|
|
|
|
/**
|
|
* @returns {Set<string>} types availiable (do not mutate)
|
|
*/
|
|
getSourceTypes() {
|
|
return TYPES;
|
|
}
|
|
|
|
get modules() {
|
|
return this._orderedConcatenationList
|
|
.filter(info => info.type === "concatenated")
|
|
.map(info => info.module);
|
|
}
|
|
|
|
/**
|
|
* @returns {string} a unique identifier of the module
|
|
*/
|
|
identifier() {
|
|
return this._identifier;
|
|
}
|
|
|
|
/**
|
|
* @param {RequestShortener} requestShortener the request shortener
|
|
* @returns {string} a user readable identifier of the module
|
|
*/
|
|
readableIdentifier(requestShortener) {
|
|
return (
|
|
this.rootModule.readableIdentifier(requestShortener) +
|
|
` + ${this._numberOfConcatenatedModules - 1} modules`
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param {LibIdentOptions} options options
|
|
* @returns {string | null} an identifier for library inclusion
|
|
*/
|
|
libIdent(options) {
|
|
return this.rootModule.libIdent(options);
|
|
}
|
|
|
|
/**
|
|
* @returns {string | null} absolute path which should be used for condition matching (usually the resource path)
|
|
*/
|
|
nameForCondition() {
|
|
return this.rootModule.nameForCondition();
|
|
}
|
|
|
|
/**
|
|
* @param {WebpackOptions} options webpack options
|
|
* @param {Compilation} compilation the compilation
|
|
* @param {ResolverWithOptions} resolver the resolver
|
|
* @param {InputFileSystem} fs the file system
|
|
* @param {function(WebpackError=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
build(options, compilation, resolver, fs, callback) {
|
|
throw new Error("Cannot build this module. It should be already built.");
|
|
}
|
|
|
|
/**
|
|
* @param {string=} type the source type for which the size should be estimated
|
|
* @returns {number} the estimated size of the module (must be non-zero)
|
|
*/
|
|
size(type) {
|
|
// Guess size from embedded modules
|
|
return this._orderedConcatenationList.reduce((sum, info) => {
|
|
switch (info.type) {
|
|
case "concatenated":
|
|
return sum + info.module.size(type);
|
|
case "external":
|
|
return sum + 5;
|
|
}
|
|
return sum;
|
|
}, 0);
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
* @param {Module} rootModule the root of the concatenation
|
|
* @param {Set<Module>} modulesSet a set of modules which should be concatenated
|
|
* @param {Compilation} compilation the compilation context
|
|
* @returns {ConcatenationEntry[]} concatenation list
|
|
*/
|
|
static _createConcatenationList(rootModule, modulesSet, compilation) {
|
|
const { moduleGraph } = compilation;
|
|
|
|
const list = [];
|
|
const set = new Set();
|
|
|
|
/**
|
|
* @param {Module} module a module
|
|
* @returns {(function(): Module)[]} imported modules in order
|
|
*/
|
|
const getConcatenatedImports = module => {
|
|
const references = Array.from(moduleGraph.getOutgoingConnections(module))
|
|
.filter(connection => {
|
|
if (!(connection.dependency instanceof HarmonyImportDependency))
|
|
return false;
|
|
return connection && connection.module && connection.active;
|
|
})
|
|
.map(connection => ({
|
|
connection,
|
|
sourceOrder:
|
|
/** @type {HarmonyImportDependency} */ (connection.dependency)
|
|
.sourceOrder
|
|
}));
|
|
references.sort(
|
|
concatComparators(bySourceOrder, keepOriginalOrder(references))
|
|
);
|
|
return references.map(({ connection }) => {
|
|
return () => connection.module;
|
|
});
|
|
};
|
|
|
|
const enterModule = getModule => {
|
|
const module = getModule();
|
|
if (!module) return;
|
|
if (set.has(module)) return;
|
|
set.add(module);
|
|
if (modulesSet.has(module)) {
|
|
const imports = getConcatenatedImports(module);
|
|
imports.forEach(enterModule);
|
|
list.push({
|
|
type: "concatenated",
|
|
module
|
|
});
|
|
} else {
|
|
list.push({
|
|
type: "external",
|
|
get module() {
|
|
// We need to use a getter here, because the module in the dependency
|
|
// could be replaced by some other process (i. e. also replaced with a
|
|
// concatenated module)
|
|
return getModule();
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
enterModule(() => rootModule);
|
|
|
|
return list;
|
|
}
|
|
|
|
_createIdentifier(associatedObjectForCache) {
|
|
let orderedConcatenationListIdentifiers = "";
|
|
for (let i = 0; i < this._orderedConcatenationList.length; i++) {
|
|
if (this._orderedConcatenationList[i].type === "concatenated") {
|
|
orderedConcatenationListIdentifiers += contextify(
|
|
this.rootModule.context,
|
|
this._orderedConcatenationList[i].module.identifier(),
|
|
associatedObjectForCache
|
|
);
|
|
orderedConcatenationListIdentifiers += " ";
|
|
}
|
|
}
|
|
const hash = createHash("md4");
|
|
hash.update(orderedConcatenationListIdentifiers);
|
|
return this.rootModule.identifier() + "|" + hash.digest("hex");
|
|
}
|
|
|
|
/**
|
|
* @param {CodeGenerationContext} context context for code generation
|
|
* @returns {CodeGenerationResult} result
|
|
*/
|
|
codeGeneration({
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph
|
|
}) {
|
|
/** @type {Set<string>} */
|
|
const runtimeRequirements = new Set();
|
|
|
|
const requestShortener = runtimeTemplate.requestShortener;
|
|
// Metainfo for each module
|
|
const modulesWithInfo = this._getModulesWithInfo(moduleGraph);
|
|
|
|
// Create mapping from module to info
|
|
const moduleToInfoMap = modulesWithInfoToMap(modulesWithInfo);
|
|
|
|
// Configure template decorators for dependencies
|
|
const innerDependencyTemplates = this._getInnerDependencyTemplates(
|
|
dependencyTemplates,
|
|
moduleToInfoMap
|
|
);
|
|
|
|
// Generate source code and analyse scopes
|
|
// Prepare a ReplaceSource for the final source
|
|
for (const info of modulesWithInfo) {
|
|
this._analyseModule(
|
|
info,
|
|
innerDependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph
|
|
);
|
|
}
|
|
|
|
// List of all used names to avoid conflicts
|
|
const allUsedNames = new Set(RESERVED_NAMES);
|
|
|
|
// Set of already checked scopes
|
|
const alreadyCheckedScopes = new Set();
|
|
|
|
// get all global names
|
|
for (const info of modulesWithInfo) {
|
|
if (info.type === "concatenated") {
|
|
const superClassExpressions = [];
|
|
|
|
// ignore symbols from moduleScope
|
|
if (info.moduleScope) {
|
|
alreadyCheckedScopes.add(info.moduleScope);
|
|
|
|
// The super class expression in class scopes behaves weird
|
|
// We store ranges of all super class expressions to make
|
|
// renaming to work correctly
|
|
for (const childScope of info.moduleScope.childScopes) {
|
|
if (childScope.type !== "class") continue;
|
|
if (!childScope.block.superClass) continue;
|
|
superClassExpressions.push({
|
|
range: childScope.block.superClass.range,
|
|
variables: childScope.variables
|
|
});
|
|
}
|
|
}
|
|
|
|
// add global symbols
|
|
if (info.globalScope) {
|
|
for (const reference of info.globalScope.through) {
|
|
const name = reference.identifier.name;
|
|
if (isModuleReference(name)) {
|
|
for (const expr of superClassExpressions) {
|
|
if (
|
|
expr.range[0] <= reference.identifier.range[0] &&
|
|
expr.range[1] >= reference.identifier.range[1]
|
|
) {
|
|
for (const variable of expr.variables) {
|
|
allUsedNames.add(variable.name);
|
|
}
|
|
}
|
|
}
|
|
addScopeSymbols1(
|
|
reference.from,
|
|
allUsedNames,
|
|
alreadyCheckedScopes
|
|
);
|
|
} else {
|
|
allUsedNames.add(name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// generate names for symbols
|
|
for (const info of modulesWithInfo) {
|
|
switch (info.type) {
|
|
case "concatenated": {
|
|
const namespaceObjectName = this.findNewName(
|
|
"namespaceObject",
|
|
allUsedNames,
|
|
null,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(namespaceObjectName);
|
|
info.internalNames.set(namespaceObjectName, namespaceObjectName);
|
|
info.exportMap.set(true, namespaceObjectName);
|
|
for (const variable of info.moduleScope.variables) {
|
|
const name = variable.name;
|
|
if (allUsedNames.has(name)) {
|
|
const references = getAllReferences(variable);
|
|
const symbolsInReferences = new Set();
|
|
const alreadyCheckedInnerScopes = new Set();
|
|
for (const ref of references) {
|
|
addScopeSymbols2(
|
|
ref.from,
|
|
symbolsInReferences,
|
|
alreadyCheckedInnerScopes,
|
|
alreadyCheckedScopes
|
|
);
|
|
}
|
|
const newName = this.findNewName(
|
|
name,
|
|
allUsedNames,
|
|
symbolsInReferences,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(newName);
|
|
info.internalNames.set(name, newName);
|
|
const source = info.source;
|
|
const allIdentifiers = new Set(
|
|
references.map(r => r.identifier).concat(variable.identifiers)
|
|
);
|
|
for (const identifier of allIdentifiers) {
|
|
const r = identifier.range;
|
|
const path = getPathInAst(info.ast, identifier);
|
|
if (
|
|
path &&
|
|
path.length > 1 &&
|
|
path[1].type === "Property" &&
|
|
path[1].shorthand
|
|
) {
|
|
source.insert(r[1], `: ${newName}`);
|
|
} else {
|
|
source.replace(r[0], r[1] - 1, newName);
|
|
}
|
|
}
|
|
} else {
|
|
allUsedNames.add(name);
|
|
info.internalNames.set(name, name);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case "external": {
|
|
const externalName = this.findNewName(
|
|
"",
|
|
allUsedNames,
|
|
null,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalName);
|
|
info.name = externalName;
|
|
if (
|
|
info.module.buildMeta.exportsType === "named" ||
|
|
!info.module.buildMeta.exportsType
|
|
) {
|
|
const externalNameInterop = this.findNewName(
|
|
"namespaceObject",
|
|
allUsedNames,
|
|
null,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalNameInterop);
|
|
info.interopNamespaceObjectName = externalNameInterop;
|
|
}
|
|
if (!info.module.buildMeta.exportsType) {
|
|
const externalNameInterop = this.findNewName(
|
|
"default",
|
|
allUsedNames,
|
|
null,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalNameInterop);
|
|
info.interopDefaultAccessName = externalNameInterop;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find and replace referenced to modules
|
|
for (const info of modulesWithInfo) {
|
|
if (info.type === "concatenated") {
|
|
for (const reference of info.globalScope.through) {
|
|
const name = reference.identifier.name;
|
|
const match = matchModuleReference(name, modulesWithInfo);
|
|
if (match) {
|
|
const finalName = getFinalName(
|
|
moduleGraph,
|
|
match.info,
|
|
match.ids,
|
|
moduleToInfoMap,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
match.call,
|
|
!match.directImport,
|
|
match.strict,
|
|
match.asiSafe
|
|
);
|
|
const r = reference.identifier.range;
|
|
const source = info.source;
|
|
source.replace(r[0], r[1] - 1, finalName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const result = new ConcatSource();
|
|
|
|
// add harmony compatibility flag (must be first because of possible circular dependencies)
|
|
if (
|
|
moduleGraph.getExportsInfo(this).otherExportsInfo.used !==
|
|
UsageState.Unused
|
|
) {
|
|
result.add(
|
|
runtimeTemplate.defineEsModuleFlagStatement({
|
|
exportsArgument: this.exportsArgument,
|
|
runtimeRequirements
|
|
})
|
|
);
|
|
}
|
|
|
|
// define required namespace objects (must be before evaluation modules)
|
|
for (const info of modulesWithInfo) {
|
|
if (info.type === "concatenated" && info.namespaceObjectSource) {
|
|
result.add(info.namespaceObjectSource);
|
|
runtimeRequirements.add(RuntimeGlobals.makeNamespaceObject);
|
|
runtimeRequirements.add(RuntimeGlobals.definePropertyGetters);
|
|
}
|
|
}
|
|
|
|
// evaluate modules in order
|
|
for (const info of modulesWithInfo) {
|
|
switch (info.type) {
|
|
case "concatenated": {
|
|
result.add(
|
|
`\n// CONCATENATED MODULE: ${info.module.readableIdentifier(
|
|
requestShortener
|
|
)}\n`
|
|
);
|
|
result.add(info.source);
|
|
if (info.runtimeRequirements) {
|
|
for (const r of info.runtimeRequirements) {
|
|
runtimeRequirements.add(r);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case "external":
|
|
result.add(
|
|
`\n// EXTERNAL MODULE: ${info.module.readableIdentifier(
|
|
requestShortener
|
|
)}\n`
|
|
);
|
|
runtimeRequirements.add(RuntimeGlobals.require);
|
|
result.add(
|
|
`var ${info.name} = __webpack_require__(${JSON.stringify(
|
|
chunkGraph.getModuleId(info.module)
|
|
)});\n`
|
|
);
|
|
if (info.interopNamespaceObjectUsed) {
|
|
if (info.module.buildMeta.exportsType === "named") {
|
|
runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject);
|
|
result.add(
|
|
`var ${info.interopNamespaceObjectName} = /*#__PURE__*/${RuntimeGlobals.createFakeNamespaceObject}(${info.name}, 2);\n`
|
|
);
|
|
} else if (!info.module.buildMeta.exportsType) {
|
|
runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject);
|
|
result.add(
|
|
`var ${info.interopNamespaceObjectName} = /*#__PURE__*/${RuntimeGlobals.createFakeNamespaceObject}(${info.name});\n`
|
|
);
|
|
}
|
|
}
|
|
if (info.interopDefaultAccessUsed) {
|
|
runtimeRequirements.add(RuntimeGlobals.compatGetDefaultExport);
|
|
result.add(
|
|
`var ${info.interopDefaultAccessName} = /*#__PURE__*/${RuntimeGlobals.compatGetDefaultExport}(${info.name});\n`
|
|
);
|
|
}
|
|
break;
|
|
default:
|
|
// @ts-ignore never is expected here
|
|
throw new Error(`Unsupported concatenation entry type ${info.type}`);
|
|
}
|
|
}
|
|
|
|
return {
|
|
sources: new Map([["javascript", new CachedSource(result)]]),
|
|
runtimeRequirements
|
|
};
|
|
}
|
|
|
|
_analyseModule(
|
|
info,
|
|
innerDependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph
|
|
) {
|
|
if (info.type === "concatenated") {
|
|
const m = info.module;
|
|
const codeGenResult = m.codeGeneration({
|
|
dependencyTemplates: innerDependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph
|
|
});
|
|
const source = codeGenResult.sources.get("javascript");
|
|
const code = source.source();
|
|
let ast;
|
|
try {
|
|
ast = JavascriptParser.parse(code, {
|
|
sourceType: "module"
|
|
});
|
|
} catch (err) {
|
|
if (
|
|
err.loc &&
|
|
typeof err.loc === "object" &&
|
|
typeof err.loc.line === "number"
|
|
) {
|
|
const lineNumber = err.loc.line;
|
|
const lines = code.split("\n");
|
|
err.message +=
|
|
"\n| " +
|
|
lines
|
|
.slice(Math.max(0, lineNumber - 3), lineNumber + 2)
|
|
.join("\n| ");
|
|
}
|
|
throw err;
|
|
}
|
|
const scopeManager = eslintScope.analyze(ast, {
|
|
ecmaVersion: 6,
|
|
sourceType: "module",
|
|
optimistic: true,
|
|
ignoreEval: true,
|
|
impliedStrict: true
|
|
});
|
|
const globalScope = scopeManager.acquire(ast);
|
|
const moduleScope = globalScope.childScopes[0];
|
|
const resultSource = new ReplaceSource(source);
|
|
info.runtimeRequirements = codeGenResult.runtimeRequirements;
|
|
info.ast = ast;
|
|
info.internalSource = source;
|
|
info.source = resultSource;
|
|
info.globalScope = globalScope;
|
|
info.moduleScope = moduleScope;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {ChunkGraph} chunkGraph the chunk graph
|
|
* @param {DependencyTemplates} dependencyTemplates dependency templates
|
|
* @returns {string} hash
|
|
*/
|
|
_getHashDigest(chunkGraph, dependencyTemplates) {
|
|
const hash = chunkGraph.getModuleHash(this);
|
|
const dtHash = dependencyTemplates.getHash();
|
|
return `${hash}-${dtHash}`;
|
|
}
|
|
|
|
/**
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @returns {ModuleInfo[]} module info items
|
|
*/
|
|
_getModulesWithInfo(moduleGraph) {
|
|
return this._orderedConcatenationList.map((info, idx) => {
|
|
/** @type {ModuleInfo} */
|
|
let result;
|
|
switch (info.type) {
|
|
case "concatenated": {
|
|
/** @type {Map<string | true, string>} */
|
|
const exportMap = new Map();
|
|
/** @type {Map<string, ReexportInfo>} */
|
|
const reexportMap = new Map();
|
|
for (const dep of info.module.dependencies) {
|
|
if (dep instanceof HarmonyExportSpecifierDependency) {
|
|
if (!exportMap.has(dep.name)) {
|
|
exportMap.set(dep.name, dep.id);
|
|
}
|
|
} else if (dep instanceof HarmonyExportExpressionDependency) {
|
|
if (!exportMap.has("default")) {
|
|
exportMap.set("default", "__WEBPACK_MODULE_DEFAULT_EXPORT__");
|
|
}
|
|
} else if (
|
|
dep instanceof HarmonyExportImportedSpecifierDependency
|
|
) {
|
|
const exportName = dep.name;
|
|
const importNames = dep.getIds(moduleGraph);
|
|
const importedModule = moduleGraph.getModule(dep);
|
|
if (exportName) {
|
|
if (!reexportMap.has(exportName)) {
|
|
reexportMap.set(exportName, {
|
|
module: importedModule,
|
|
exportName: importNames,
|
|
dependency: dep
|
|
});
|
|
}
|
|
} else if (importedModule) {
|
|
const providedExports = moduleGraph.getProvidedExports(
|
|
importedModule
|
|
);
|
|
if (Array.isArray(providedExports)) {
|
|
for (const name of providedExports) {
|
|
if (dep.activeExports.has(name) || name === "default") {
|
|
continue;
|
|
}
|
|
if (!reexportMap.has(name)) {
|
|
reexportMap.set(name, {
|
|
module: importedModule,
|
|
exportName: [name],
|
|
dependency: dep
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
result = {
|
|
type: "concatenated",
|
|
module: info.module,
|
|
index: idx,
|
|
ast: undefined,
|
|
internalSource: undefined,
|
|
runtimeRequirements: undefined,
|
|
source: undefined,
|
|
globalScope: undefined,
|
|
moduleScope: undefined,
|
|
internalNames: new Map(),
|
|
exportMap: exportMap,
|
|
reexportMap: reexportMap,
|
|
hasNamespaceObject: false,
|
|
namespaceObjectSource: null
|
|
};
|
|
break;
|
|
}
|
|
case "external":
|
|
result = {
|
|
type: "external",
|
|
module: info.module,
|
|
index: idx,
|
|
name: undefined,
|
|
interopNamespaceObjectUsed: false,
|
|
interopNamespaceObjectName: undefined,
|
|
interopDefaultAccessUsed: false,
|
|
interopDefaultAccessName: undefined
|
|
};
|
|
break;
|
|
default:
|
|
throw new Error(`Unsupported concatenation entry type ${info.type}`);
|
|
}
|
|
return result;
|
|
});
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {DependencyTemplates} dependencyTemplates outer dependency templates
|
|
* @param {Map<Module, ModuleInfo>} moduleToInfoMap map for module info
|
|
* @returns {DependencyTemplates} inner dependency templates
|
|
*/
|
|
_getInnerDependencyTemplates(dependencyTemplates, moduleToInfoMap) {
|
|
const innerDependencyTemplates = dependencyTemplates.clone();
|
|
innerDependencyTemplates.set(
|
|
HarmonyImportSpecifierDependency,
|
|
new HarmonyImportSpecifierDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyImportSpecifierDependency),
|
|
moduleToInfoMap
|
|
)
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyImportSideEffectDependency,
|
|
new HarmonyImportSideEffectDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyImportSideEffectDependency),
|
|
moduleToInfoMap
|
|
)
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyExportSpecifierDependency,
|
|
new HarmonyExportSpecifierDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyExportSpecifierDependency),
|
|
this.rootModule
|
|
)
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyExportExpressionDependency,
|
|
new HarmonyExportExpressionDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyExportExpressionDependency),
|
|
this.rootModule
|
|
)
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyExportImportedSpecifierDependency,
|
|
new HarmonyExportImportedSpecifierDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyExportImportedSpecifierDependency),
|
|
this.rootModule,
|
|
moduleToInfoMap
|
|
)
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyCompatibilityDependency,
|
|
new HarmonyCompatibilityDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyCompatibilityDependency),
|
|
this.rootModule,
|
|
moduleToInfoMap
|
|
)
|
|
);
|
|
// Must use full identifier in our cache here to ensure that the source
|
|
// is updated should our dependencies list change.
|
|
// TODO webpack 5 refactor
|
|
innerDependencyTemplates.updateHash(this.identifier());
|
|
return innerDependencyTemplates;
|
|
}
|
|
|
|
findNewName(oldName, usedNamed1, usedNamed2, extraInfo) {
|
|
let name = oldName;
|
|
|
|
if (name === "__WEBPACK_MODULE_DEFAULT_EXPORT__") name = "";
|
|
|
|
// Remove uncool stuff
|
|
extraInfo = extraInfo.replace(
|
|
/\.+\/|(\/index)?\.([a-zA-Z0-9]{1,4})($|\s|\?)|\s*\+\s*\d+\s*modules/g,
|
|
""
|
|
);
|
|
|
|
const splittedInfo = extraInfo.split("/");
|
|
while (splittedInfo.length) {
|
|
name = splittedInfo.pop() + (name ? "_" + name : "");
|
|
const nameIdent = Template.toIdentifier(name);
|
|
if (
|
|
!usedNamed1.has(nameIdent) &&
|
|
(!usedNamed2 || !usedNamed2.has(nameIdent))
|
|
)
|
|
return nameIdent;
|
|
}
|
|
|
|
let i = 0;
|
|
let nameWithNumber = Template.toIdentifier(`${name}_${i}`);
|
|
while (
|
|
usedNamed1.has(nameWithNumber) ||
|
|
(usedNamed2 && usedNamed2.has(nameWithNumber))
|
|
) {
|
|
i++;
|
|
nameWithNumber = Template.toIdentifier(`${name}_${i}`);
|
|
}
|
|
return nameWithNumber;
|
|
}
|
|
|
|
/**
|
|
* @param {Hash} hash the hash used to track dependencies
|
|
* @param {ChunkGraph} chunkGraph the chunk graph
|
|
* @returns {void}
|
|
*/
|
|
updateHash(hash, chunkGraph) {
|
|
for (const info of this._orderedConcatenationList) {
|
|
switch (info.type) {
|
|
case "concatenated":
|
|
info.module.updateHash(hash, chunkGraph);
|
|
break;
|
|
case "external":
|
|
hash.update(`${chunkGraph.getModuleId(info.module)}`);
|
|
break;
|
|
}
|
|
}
|
|
super.updateHash(hash, chunkGraph);
|
|
}
|
|
}
|
|
|
|
class HarmonyImportSpecifierDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(originalTemplate, modulesMap) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.modulesMap = modulesMap;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(dependency, source, templateContext) {
|
|
const { moduleGraph, module: parentModule } = templateContext;
|
|
const dep = /** @type {HarmonyImportSpecifierDependency} */ (dependency);
|
|
const module = moduleGraph.getModule(dep);
|
|
const info = this.modulesMap.get(module);
|
|
if (!info) {
|
|
this.originalTemplate.apply(dependency, source, templateContext);
|
|
return;
|
|
}
|
|
let content;
|
|
const ids = dep.getIds(moduleGraph);
|
|
if (ids.length === 0) {
|
|
content = createModuleReference({
|
|
info,
|
|
strict: parentModule.buildMeta.strictHarmonyModule,
|
|
asiSafe: dep.asiSafe
|
|
});
|
|
} else if (dep.namespaceObjectAsContext && ids.length === 1) {
|
|
content =
|
|
createModuleReference({
|
|
info,
|
|
strict: parentModule.buildMeta.strictHarmonyModule,
|
|
asiSafe: dep.asiSafe
|
|
}) + propertyAccess(ids);
|
|
} else {
|
|
content = createModuleReference({
|
|
info,
|
|
ids,
|
|
call: dep.call,
|
|
directImport: dep.directImport,
|
|
strict: parentModule.buildMeta.strictHarmonyModule,
|
|
asiSafe: dep.asiSafe
|
|
});
|
|
}
|
|
if (dep.shorthand) {
|
|
source.insert(dep.range[1], ": " + content);
|
|
} else {
|
|
source.replace(dep.range[0], dep.range[1] - 1, content);
|
|
}
|
|
}
|
|
}
|
|
|
|
class HarmonyImportSideEffectDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(originalTemplate, modulesMap) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.modulesMap = modulesMap;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(dependency, source, templateContext) {
|
|
const { moduleGraph } = templateContext;
|
|
const dep = /** @type {HarmonyImportSideEffectDependency} */ (dependency);
|
|
const module = moduleGraph.getModule(dep);
|
|
const info = this.modulesMap.get(module);
|
|
if (!info) {
|
|
this.originalTemplate.apply(dependency, source, templateContext);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
class HarmonyExportSpecifierDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(originalTemplate, rootModule) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.rootModule = rootModule;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(dependency, source, templateContext) {
|
|
if (templateContext.module === this.rootModule) {
|
|
this.originalTemplate.apply(dependency, source, templateContext);
|
|
}
|
|
}
|
|
}
|
|
|
|
class HarmonyExportExpressionDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(originalTemplate, rootModule) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.rootModule = rootModule;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(
|
|
dependency,
|
|
source,
|
|
{ module, moduleGraph, runtimeTemplate, initFragments }
|
|
) {
|
|
const dep = /** @type {HarmonyExportExpressionDependency} */ (dependency);
|
|
|
|
if (module === this.rootModule) {
|
|
const used = module.getUsedName(moduleGraph, "default");
|
|
if (used) {
|
|
const map = new Map();
|
|
map.set(used, "__WEBPACK_MODULE_DEFAULT_EXPORT__");
|
|
initFragments.push(
|
|
new HarmonyExportInitFragment(module.exportsArgument, map)
|
|
);
|
|
}
|
|
}
|
|
|
|
const content = `/* harmony default export */ ${
|
|
runtimeTemplate.supportsConst() ? "const" : "var"
|
|
} __WEBPACK_MODULE_DEFAULT_EXPORT__ = `;
|
|
|
|
if (dep.range) {
|
|
source.replace(
|
|
dep.rangeStatement[0],
|
|
dep.range[0] - 1,
|
|
content + "(" + dep.prefix
|
|
);
|
|
source.replace(dep.range[1], dep.rangeStatement[1] - 1, ");");
|
|
return;
|
|
}
|
|
|
|
source.replace(
|
|
dep.rangeStatement[0],
|
|
dep.rangeStatement[1] - 1,
|
|
content + dep.prefix
|
|
);
|
|
}
|
|
}
|
|
|
|
class HarmonyExportImportedSpecifierDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(originalTemplate, rootModule, modulesMap) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.rootModule = rootModule;
|
|
this.modulesMap = modulesMap;
|
|
}
|
|
|
|
/**
|
|
* @typedef {Object} GetExportsResultItem
|
|
* @property {string} name
|
|
* @property {string[]} ids
|
|
*/
|
|
|
|
/**
|
|
* @param {HarmonyExportImportedSpecifierDependency} dep dependency
|
|
* @param {DependencyTemplateContext} templateContext template context
|
|
* @returns {GetExportsResultItem[]} exports
|
|
*/
|
|
getExports(dep, { moduleGraph }) {
|
|
const importModule = moduleGraph.getModule(dep);
|
|
const ids = dep.getIds(moduleGraph);
|
|
if (ids.length > 0) {
|
|
// export { named } from "module"
|
|
return [
|
|
{
|
|
name: dep.name,
|
|
ids
|
|
}
|
|
];
|
|
}
|
|
if (dep.name) {
|
|
// export * as abc from "module"
|
|
return [
|
|
{
|
|
name: dep.name,
|
|
ids: []
|
|
}
|
|
];
|
|
}
|
|
// export * from "module"
|
|
const providedExports = moduleGraph.getProvidedExports(importModule);
|
|
if (Array.isArray(providedExports)) {
|
|
return providedExports
|
|
.filter(exp => exp !== "default" && !dep.activeExports.has(exp))
|
|
.map(exp => {
|
|
return {
|
|
name: exp,
|
|
ids: [exp]
|
|
};
|
|
});
|
|
}
|
|
|
|
// unknown, should not happen
|
|
throw new Error("ConcatenatedModule: unknown exports");
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(dependency, source, templateContext) {
|
|
const { module, moduleGraph, initFragments } = templateContext;
|
|
const dep = /** @type {HarmonyExportImportedSpecifierDependency} */ (dependency);
|
|
const importedModule = moduleGraph.getModule(dep);
|
|
const info = this.modulesMap.get(importedModule);
|
|
if (!info) {
|
|
this.originalTemplate.apply(dependency, source, templateContext);
|
|
return;
|
|
} else if (module === this.rootModule) {
|
|
const exportDefs = this.getExports(dep, templateContext);
|
|
for (const def of exportDefs) {
|
|
const used = module.getUsedName(moduleGraph, def.name);
|
|
if (!used) {
|
|
initFragments.push(
|
|
new HarmonyExportInitFragment(
|
|
this.rootModule.exportsArgument,
|
|
undefined,
|
|
new Set([def.name])
|
|
)
|
|
);
|
|
continue;
|
|
}
|
|
let finalName;
|
|
if (def.ids.length === 0) {
|
|
finalName = createModuleReference({
|
|
info,
|
|
strict: module.buildMeta.strictHarmonyModule,
|
|
asiSafe: true
|
|
});
|
|
} else {
|
|
finalName = createModuleReference({
|
|
info,
|
|
ids: def.ids,
|
|
strict: module.buildMeta.strictHarmonyModule,
|
|
asiSafe: true
|
|
});
|
|
}
|
|
const map = new Map();
|
|
map.set(used, `/* concated reexport ${finalName} */ ${finalName}`);
|
|
initFragments.push(
|
|
new HarmonyExportInitFragment(this.rootModule.exportsArgument, map)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
class HarmonyCompatibilityDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(originalTemplate, rootModule, modulesMap) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.rootModule = rootModule;
|
|
this.modulesMap = modulesMap;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(
|
|
dependency,
|
|
source,
|
|
{ runtimeTemplate, dependencyTemplates, moduleGraph }
|
|
) {
|
|
// do nothing
|
|
}
|
|
}
|
|
|
|
module.exports = ConcatenatedModule;
|